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root / src / fftw-3.3.8 / dft / scalar / codelets / q1_3.c @ 167:bd3cc4d1df30
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Thu May 24 08:04:30 EDT 2018 */
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#include "dft/codelet-dft.h" |
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_twidsq.native -fma -compact -variables 4 -pipeline-latency 4 -reload-twiddle -dif -n 3 -name q1_3 -include dft/scalar/q.h */
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/*
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* This function contains 48 FP additions, 42 FP multiplications,
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* (or, 18 additions, 12 multiplications, 30 fused multiply/add),
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* 35 stack variables, 2 constants, and 36 memory accesses
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*/
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#include "dft/scalar/q.h" |
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|
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static void q1_3(R *rio, R *iio, const R *W, stride rs, stride vs, INT mb, INT me, INT ms) |
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627); |
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DK(KP500000000, +0.500000000000000000000000000000000000000000000); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 4); m < me; m = m + 1, rio = rio + ms, iio = iio + ms, W = W + 4, MAKE_VOLATILE_STRIDE(6, rs), MAKE_VOLATILE_STRIDE(0, vs)) { |
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E T1, T4, T6, Tg, Td, Te, T9, Tf, Tp, Ts, Tu, TE, TB, TC, Tx; |
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E TD, TZ, T10, TV, T11, TN, TQ, TS, T12; |
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{
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E T2, T3, Tv, Tw; |
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T1 = rio[0];
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T2 = rio[WS(rs, 1)];
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T3 = rio[WS(rs, 2)];
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T4 = T2 + T3; |
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T6 = FNMS(KP500000000, T4, T1); |
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Tg = T3 - T2; |
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{
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E T7, T8, Tq, Tr; |
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Td = iio[0];
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T7 = iio[WS(rs, 1)];
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T8 = iio[WS(rs, 2)];
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Te = T7 + T8; |
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T9 = T7 - T8; |
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Tf = FNMS(KP500000000, Te, Td); |
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Tp = rio[WS(vs, 1)];
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Tq = rio[WS(vs, 1) + WS(rs, 1)]; |
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Tr = rio[WS(vs, 1) + WS(rs, 2)]; |
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Ts = Tq + Tr; |
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Tu = FNMS(KP500000000, Ts, Tp); |
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TE = Tr - Tq; |
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} |
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TB = iio[WS(vs, 1)];
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Tv = iio[WS(vs, 1) + WS(rs, 1)]; |
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Tw = iio[WS(vs, 1) + WS(rs, 2)]; |
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TC = Tv + Tw; |
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Tx = Tv - Tw; |
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TD = FNMS(KP500000000, TC, TB); |
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{
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E TT, TU, TO, TP; |
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TZ = iio[WS(vs, 2)];
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TT = iio[WS(vs, 2) + WS(rs, 1)]; |
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TU = iio[WS(vs, 2) + WS(rs, 2)]; |
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T10 = TT + TU; |
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TV = TT - TU; |
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T11 = FNMS(KP500000000, T10, TZ); |
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TN = rio[WS(vs, 2)];
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TO = rio[WS(vs, 2) + WS(rs, 1)]; |
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TP = rio[WS(vs, 2) + WS(rs, 2)]; |
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TQ = TO + TP; |
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TS = FNMS(KP500000000, TQ, TN); |
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T12 = TP - TO; |
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} |
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} |
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rio[0] = T1 + T4;
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iio[0] = Td + Te;
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rio[WS(rs, 1)] = Tp + Ts;
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iio[WS(rs, 1)] = TB + TC;
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iio[WS(rs, 2)] = TZ + T10;
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rio[WS(rs, 2)] = TN + TQ;
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{
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E Ta, Th, Tb, Ti, T5, Tc; |
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Ta = FMA(KP866025403, T9, T6); |
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Th = FMA(KP866025403, Tg, Tf); |
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T5 = W[0];
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Tb = T5 * Ta; |
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Ti = T5 * Th; |
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Tc = W[1];
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rio[WS(vs, 1)] = FMA(Tc, Th, Tb);
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iio[WS(vs, 1)] = FNMS(Tc, Ta, Ti);
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} |
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{
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E T16, T19, T17, T1a, T15, T18; |
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T16 = FNMS(KP866025403, TV, TS); |
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T19 = FNMS(KP866025403, T12, T11); |
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T15 = W[2];
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T17 = T15 * T16; |
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T1a = T15 * T19; |
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T18 = W[3];
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rio[WS(vs, 2) + WS(rs, 2)] = FMA(T18, T19, T17); |
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iio[WS(vs, 2) + WS(rs, 2)] = FNMS(T18, T16, T1a); |
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} |
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{
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E TI, TL, TJ, TM, TH, TK; |
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TI = FNMS(KP866025403, Tx, Tu); |
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TL = FNMS(KP866025403, TE, TD); |
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TH = W[2];
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TJ = TH * TI; |
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TM = TH * TL; |
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TK = W[3];
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rio[WS(vs, 2) + WS(rs, 1)] = FMA(TK, TL, TJ); |
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iio[WS(vs, 2) + WS(rs, 1)] = FNMS(TK, TI, TM); |
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} |
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{
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E Ty, TF, Tz, TG, Tt, TA; |
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Ty = FMA(KP866025403, Tx, Tu); |
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TF = FMA(KP866025403, TE, TD); |
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Tt = W[0];
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Tz = Tt * Ty; |
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TG = Tt * TF; |
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TA = W[1];
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rio[WS(vs, 1) + WS(rs, 1)] = FMA(TA, TF, Tz); |
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iio[WS(vs, 1) + WS(rs, 1)] = FNMS(TA, Ty, TG); |
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} |
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{
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E TW, T13, TX, T14, TR, TY; |
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TW = FMA(KP866025403, TV, TS); |
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T13 = FMA(KP866025403, T12, T11); |
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TR = W[0];
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TX = TR * TW; |
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T14 = TR * T13; |
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TY = W[1];
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rio[WS(vs, 1) + WS(rs, 2)] = FMA(TY, T13, TX); |
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iio[WS(vs, 1) + WS(rs, 2)] = FNMS(TY, TW, T14); |
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} |
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{
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E Tk, Tn, Tl, To, Tj, Tm; |
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Tk = FNMS(KP866025403, T9, T6); |
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Tn = FNMS(KP866025403, Tg, Tf); |
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Tj = W[2];
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Tl = Tj * Tk; |
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To = Tj * Tn; |
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Tm = W[3];
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rio[WS(vs, 2)] = FMA(Tm, Tn, Tl);
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iio[WS(vs, 2)] = FNMS(Tm, Tk, To);
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} |
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} |
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} |
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} |
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static const tw_instr twinstr[] = { |
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{TW_FULL, 0, 3},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 3, "q1_3", twinstr, &GENUS, {18, 12, 30, 0}, 0, 0, 0 }; |
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void X(codelet_q1_3) (planner *p) {
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X(kdft_difsq_register) (p, q1_3, &desc); |
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} |
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#else
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/* Generated by: ../../../genfft/gen_twidsq.native -compact -variables 4 -pipeline-latency 4 -reload-twiddle -dif -n 3 -name q1_3 -include dft/scalar/q.h */
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/*
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* This function contains 48 FP additions, 36 FP multiplications,
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* (or, 30 additions, 18 multiplications, 18 fused multiply/add),
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* 35 stack variables, 2 constants, and 36 memory accesses
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*/
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#include "dft/scalar/q.h" |
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static void q1_3(R *rio, R *iio, const R *W, stride rs, stride vs, INT mb, INT me, INT ms) |
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627); |
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DK(KP500000000, +0.500000000000000000000000000000000000000000000); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 4); m < me; m = m + 1, rio = rio + ms, iio = iio + ms, W = W + 4, MAKE_VOLATILE_STRIDE(6, rs), MAKE_VOLATILE_STRIDE(0, vs)) { |
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E T1, T4, T6, Tc, Td, Te, T9, Tf, Tl, To, Tq, Tw, Tx, Ty, Tt; |
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E Tz, TR, TS, TN, TT, TF, TI, TK, TQ; |
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{
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E T2, T3, Tr, Ts; |
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T1 = rio[0];
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T2 = rio[WS(rs, 1)];
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T3 = rio[WS(rs, 2)];
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T4 = T2 + T3; |
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T6 = FNMS(KP500000000, T4, T1); |
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Tc = KP866025403 * (T3 - T2); |
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{
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E T7, T8, Tm, Tn; |
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Td = iio[0];
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T7 = iio[WS(rs, 1)];
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T8 = iio[WS(rs, 2)];
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Te = T7 + T8; |
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T9 = KP866025403 * (T7 - T8); |
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Tf = FNMS(KP500000000, Te, Td); |
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Tl = rio[WS(vs, 1)];
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Tm = rio[WS(vs, 1) + WS(rs, 1)]; |
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Tn = rio[WS(vs, 1) + WS(rs, 2)]; |
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To = Tm + Tn; |
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Tq = FNMS(KP500000000, To, Tl); |
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Tw = KP866025403 * (Tn - Tm); |
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} |
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Tx = iio[WS(vs, 1)];
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Tr = iio[WS(vs, 1) + WS(rs, 1)]; |
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Ts = iio[WS(vs, 1) + WS(rs, 2)]; |
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Ty = Tr + Ts; |
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Tt = KP866025403 * (Tr - Ts); |
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Tz = FNMS(KP500000000, Ty, Tx); |
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{
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E TL, TM, TG, TH; |
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TR = iio[WS(vs, 2)];
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TL = iio[WS(vs, 2) + WS(rs, 1)]; |
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TM = iio[WS(vs, 2) + WS(rs, 2)]; |
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TS = TL + TM; |
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TN = KP866025403 * (TL - TM); |
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TT = FNMS(KP500000000, TS, TR); |
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TF = rio[WS(vs, 2)];
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TG = rio[WS(vs, 2) + WS(rs, 1)]; |
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TH = rio[WS(vs, 2) + WS(rs, 2)]; |
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TI = TG + TH; |
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TK = FNMS(KP500000000, TI, TF); |
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TQ = KP866025403 * (TH - TG); |
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} |
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} |
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rio[0] = T1 + T4;
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iio[0] = Td + Te;
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rio[WS(rs, 1)] = Tl + To;
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iio[WS(rs, 1)] = Tx + Ty;
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iio[WS(rs, 2)] = TR + TS;
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rio[WS(rs, 2)] = TF + TI;
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{
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E Ta, Tg, T5, Tb; |
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Ta = T6 + T9; |
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Tg = Tc + Tf; |
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T5 = W[0];
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Tb = W[1];
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rio[WS(vs, 1)] = FMA(T5, Ta, Tb * Tg);
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iio[WS(vs, 1)] = FNMS(Tb, Ta, T5 * Tg);
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} |
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{
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E TW, TY, TV, TX; |
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TW = TK - TN; |
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TY = TT - TQ; |
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TV = W[2];
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TX = W[3];
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rio[WS(vs, 2) + WS(rs, 2)] = FMA(TV, TW, TX * TY); |
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iio[WS(vs, 2) + WS(rs, 2)] = FNMS(TX, TW, TV * TY); |
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} |
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{
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E TC, TE, TB, TD; |
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TC = Tq - Tt; |
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TE = Tz - Tw; |
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TB = W[2];
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TD = W[3];
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rio[WS(vs, 2) + WS(rs, 1)] = FMA(TB, TC, TD * TE); |
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iio[WS(vs, 2) + WS(rs, 1)] = FNMS(TD, TC, TB * TE); |
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} |
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{
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E Tu, TA, Tp, Tv; |
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Tu = Tq + Tt; |
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TA = Tw + Tz; |
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Tp = W[0];
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Tv = W[1];
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rio[WS(vs, 1) + WS(rs, 1)] = FMA(Tp, Tu, Tv * TA); |
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iio[WS(vs, 1) + WS(rs, 1)] = FNMS(Tv, Tu, Tp * TA); |
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} |
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{
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E TO, TU, TJ, TP; |
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TO = TK + TN; |
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TU = TQ + TT; |
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TJ = W[0];
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TP = W[1];
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rio[WS(vs, 1) + WS(rs, 2)] = FMA(TJ, TO, TP * TU); |
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iio[WS(vs, 1) + WS(rs, 2)] = FNMS(TP, TO, TJ * TU); |
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} |
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{
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E Ti, Tk, Th, Tj; |
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Ti = T6 - T9; |
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Tk = Tf - Tc; |
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Th = W[2];
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Tj = W[3];
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rio[WS(vs, 2)] = FMA(Th, Ti, Tj * Tk);
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iio[WS(vs, 2)] = FNMS(Tj, Ti, Th * Tk);
|
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} |
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} |
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} |
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} |
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|
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static const tw_instr twinstr[] = { |
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{TW_FULL, 0, 3},
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{TW_NEXT, 1, 0}
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}; |
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|
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static const ct_desc desc = { 3, "q1_3", twinstr, &GENUS, {30, 18, 18, 0}, 0, 0, 0 }; |
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void X(codelet_q1_3) (planner *p) {
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X(kdft_difsq_register) (p, q1_3, &desc); |
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} |
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#endif
|